1102111011 has 6 divisors (see below), whose sum is σ = 1591938140. Its totient is φ = 734740668.

The previous prime is 1102111007. The next prime is 1102111069. The reversal of 1102111011 is 1101112011.

It is not a de Polignac number, because 1102111011 - 2² = 1102111007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 122456779 = 1102111011 / (1 + 1 + 0 + 2 + 1 + 1 + 1 + 0 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102110984 and 1102111002.

It is not an unprimeable number, because it can be changed into a prime (1102111111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61228381 + ... + 61228398.

Almost surely, 2^1102111011 is an apocalyptic number.

1102111011 is a deficient number, since it is larger than the sum of its proper divisors (489827129).

1102111011 is a wasteful number, since it uses less digits than its factorization.

1102111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122456785 (or 122456782 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

The square root of 1102111011 is about 33198.0573377419. The cubic root of 1102111011 is about 1032.9400433828.

Adding to 1102111011 its reverse (1101112011), we get a palindrome (2203223022).

The spelling of 1102111011 in words is "one billion, one hundred two million, one hundred eleven thousand, eleven".